package com.example.administrator.androidwork5;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.jar.JarEntry;

public class MainActivity extends AppCompatActivity {
    private static final String TAG = "MainActivity";
    private String jsonArrayStr;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        String jsonStr = "{\"temp\":\"20℃/30℃\",\"weather\":\"晴转多云\",\"name\":\"上海\",\"pm\":\"80\",\"wind\":\"1级\"}";
        jsonArrayStr ="[\n" +
                "  {\"temp\":\"20℃/30℃\",\"weather\":\"晴转多云\",\"name\":\"上海\",\"pm\":\"80\",\"wind\":\"1级\"},\n" +
                "  {\"temp\":\"15℃/24℃\",\"weather\":\"晴\",\"name\":\"北京\",\"pm\":\"98\",\"wind\":\"3级\"},\n" +
                "  {\"temp\":\"26℃/32℃\",\"weather\":\"多云\",\"name\":\"广州\",\"pm\":\"30\",\"wind\":\"2级\"}\n" +
                "]";
        JSONObject jsonObject = null;
        try {
            jsonObject = new JSONObject(jsonStr);
            String temp = jsonObject.getString("temp");
            String weather = jsonObject.getString("weather");



            Log.e(TAG, "onCreate: " + temp);

            JSONArray jsonArray = new JSONArray(jsonArrayStr);
            Log.e(TAG, "onCreate: "+jsonArray.length() );
            for (int i=0;i<jsonArray.length();i++){
                JSONObject jsonObject1=jsonArray.getJSONObject(i);

                temp= jsonObject1.getString("weather");
                Log.e(TAG, "onCreate: "+temp+"=="+weather );

            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

    }
}
